Sonography is a diagnostic medical procedure that uses a high frequency sound waves to produce dynamic visual images of organs, tissues, or blood flow inside the body.This type of procedure is called a sonogram. There are several areas of specialization in the field of sonography. Sonography is a painless medical procedure that uses high-frequency sound waves to produce vitissues, inside the body. Depending on the situatisual images of organs, on, sonography may be used to examine the abdomen, breasts, prostate, female reproductive organs, heart, blood vessels, and other areas. During a sonogram, the sonographer applies an odorless, colorless gel to the area to be examined. This gel helps conduct the sound waves from the ultrasound transducer to the area of focus.